Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 09:31:58 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 09:31:58 am | ||
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7 Replies
4014 Views |
January 29, 2011, 03:59:18 pmby stingray_65 |
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1 Replies
2841 Views |
January 29, 2011, 02:18:44 pm by jeff |
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5 Replies
3656 Views |
January 29, 2011, 01:59:15 pm by dude |
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Rivera Clubster noise
Started by Tiny_Daddy |
0 Replies
2883 Views |
January 29, 2011, 01:46:15 pm by Tiny_Daddy |
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Best way to add heater current?
Started by pullshocks |
5 Replies
4460 Views |
January 29, 2011, 01:42:04 am by pullshocks |
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Power and Output Transformers
Started by WillieBoy |
3 Replies
3767 Views |
January 29, 2011, 01:16:04 am by zendragon63 |
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41 Replies
14614 Views |
January 29, 2011, 12:33:03 am by DummyLoad |
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Help Needed with Bias Voltage
Started by samato |
6 Replies
3941 Views |
January 28, 2011, 11:53:09 pm by tubeswell |
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S.E. amps and voltages
Started by rzenc |
7 Replies
4215 Views |
January 28, 2011, 08:22:53 pm by rzenc |
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18 Watt PI
Started by jeff |
1 Replies
2715 Views |
January 28, 2011, 06:09:07 am by sluckey |
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Fusing for europe
Started by Quatro |
1 Replies
2367 Views |
January 27, 2011, 09:20:05 pm by PRR |
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Tweed BluezMeister combo (small)
Started by tubenit |
14 Replies
7186 Views |
January 27, 2011, 08:21:40 pm by drumslinger2000 |
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5879SE new issue
Started by firemedic |
6 Replies
4001 Views |
January 27, 2011, 06:41:06 pm by PRR |
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Swiches and Switching cathode caps
Started by J Rindt |
14 Replies
5953 Views |
January 27, 2011, 01:47:23 pm by kagliostro |
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Princeton Reverb w/ 4 x 6V6
Started by DummyLoad |
5 Replies
5232 Views |
January 27, 2011, 12:02:55 pm by jjasilli |
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The Burger King 5-6-7
Started by DummyLoad |
8 Replies
7056 Views |
January 26, 2011, 11:00:50 pm by DummyLoad |
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6 Replies
8592 Views |
January 26, 2011, 10:42:48 pm by DummyLoad |
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5E3 iron specs
Started by rzenc |
43 Replies
15886 Views |
January 26, 2011, 08:14:15 am by samato |
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9 Replies
5666 Views |
January 25, 2011, 07:07:35 pm by Willabe |
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Has anyone built this tone circuit?
Started by Casey4s |
2 Replies
2809 Views |
January 25, 2011, 01:24:23 pm by PRR |
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3 Replies
3275 Views |
January 25, 2011, 01:06:45 pm by PRR |
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Best way to add 470k in series?
Started by frank57 |
2 Replies
2760 Views |
January 25, 2011, 07:20:01 am by frank57 |
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YSR1 Traynor 67-72?
Started by plexi50 |
5 Replies
4640 Views |
January 24, 2011, 10:35:20 am by plexi50 |
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8 Replies
5040 Views |
January 24, 2011, 07:08:00 am by guitarhvac |
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Vox Cambridge "re-build" ideas
Started by nateflanigan |
3 Replies
3172 Views |
January 24, 2011, 01:53:02 am by TIMBO |
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Line out with multitap OPT
Started by chuggy |
1 Replies
2983 Views |
January 23, 2011, 05:53:07 pm by JayB |
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Univox U-42 Schematic??? FOUND
Started by jjasilli |
1 Replies
4249 Views |
January 23, 2011, 02:21:21 pm by jjasilli |
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Jet city amp Problems
Started by frank57 |
12 Replies
9735 Views |
January 23, 2011, 12:25:55 pm by frank57 |
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1M Pot + On/Off Switch
Started by J Rindt |
7 Replies
4639 Views |
January 23, 2011, 10:02:25 am by jojokeo |
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finished Harmonic Vibe-in-a-box
Started by Danskman |
17 Replies
6896 Views |
January 23, 2011, 08:18:19 am by Danskman |
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Rattle in my speakers
Started by 67polara |
8 Replies
4279 Views |
January 23, 2011, 08:13:28 am by nateflanigan |
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5879 Princeton build
Started by firemedic |
27 Replies
11994 Views |
January 23, 2011, 12:14:09 am by firemedic |
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Adding VVR to fixed bias amps
Started by TIMBO |
8 Replies
8045 Views |
January 23, 2011, 12:12:27 am by jojokeo |
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Adding a VVR to 18w amp
Started by TIMBO |
10 Replies
6246 Views |
January 23, 2011, 12:07:37 am by jojokeo |
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Bias range.. which resistor ?
Started by worth |
9 Replies
10263 Views |
January 22, 2011, 06:26:14 am by Jack1962 |
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PT mA rating
Started by Willabe |
28 Replies
11554 Views |
January 22, 2011, 12:00:48 am by 67polara |
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5Ar4 wiring twist
Started by Bub |
2 Replies
3055 Views |
January 21, 2011, 09:11:35 pm by Bub |
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can anyone help ac30/6 problems
Started by bakerlite |
6 Replies
4913 Views |
January 21, 2011, 03:34:05 pm by archaos |
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6-pin Marshall power switch
Started by firemedic |
3 Replies
3518 Views |
January 21, 2011, 12:12:47 pm by firemedic |
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BF Princeton Reverb AA764 ?
Started by Willabe |
3 Replies
3672 Views |
January 21, 2011, 03:31:22 am by tubeswell |
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16 Replies
6358 Views |
January 20, 2011, 03:50:23 pm by bluesbear |
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Touchy volume pot in vibroverb build
Started by Norwatt |
4 Replies
3853 Views |
January 20, 2011, 07:12:11 am by Geezer |
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crate vintage club 60 power transformer help
Started by bigj |
7 Replies
9437 Views |
January 20, 2011, 03:41:54 am by mrm0to |
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4 Replies
6189 Views |
January 19, 2011, 03:34:45 pm by ernie_jr |
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Link to the tone stacks
Started by Tone Junkie |
6 Replies
3946 Views |
January 19, 2011, 11:38:48 am by drumslinger2000 |
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12 Replies
6228 Views |
January 18, 2011, 07:43:42 pm by moody |
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Tone stack comparison ?
Started by tubenit |
14 Replies
7548 Views |
January 18, 2011, 01:25:37 pm by jjasilli |
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The quality of "old" caps
Started by Geezer |
41 Replies
12509 Views |
January 18, 2011, 12:11:02 pm by sluckey |
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New 5C3 Build...
Started by Trevor_Long |
7 Replies
4879 Views |
January 18, 2011, 09:39:28 am by Frankenamp |
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12AT7 VS 12AX7 in PI
Started by 67polara |
10 Replies
8048 Views |
January 18, 2011, 07:58:42 am by HotBluePlates |
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